Closed Loop Speed Control of Induction Motor using Constant V/F Applying SPWM and SVM Based Inverter
Mohammad Alizadeh1, Mahyar Masoumi2, Ehsan Ebrahim3

1Mohammad Alizadeh, Electrical Engineering Faculty, Noshirvani University of technology, babol, Iran.
2Mahyar Masomi, Electrical Engineering Faculty, Noshirvani University of technology, babol, Iran.
3Ehsan Ebrahimi, Electrical Engineering Faculty, Shiraz university of technology, shiraz, Iran.

Manuscript received on 13 June 2017 | Revised Manuscript received on 20 June 2017 | Manuscript Published on 30 June 2017 | PP: 234-241 | Volume-6 Issue-5, June 2017 | Retrieval Number: E5040066517/17©BEIESP
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Abstract: Inverter is a type of adjustable-speed drive used to control AC motor speed and torque. With advances in solid-state power electronic devices and microprocessors, various inverter control techniques employing pulse width modulation (PWM) are becoming increasingly popular in AC motor drive application. These PWM-based drives are used to control both the frequency and magnitude of the voltage applied to motors. This paper analysis the speed control system of Induction motor fed by voltage source Inverter with implementation of Proportional Integral (PI) controller in the feedback path utilizing constant volt per hertz ratio with two PWM techniques namely, sinusoidal PWM and Space vector PWM. Comparing the performance of SPWM and SVPWM based inverter has been analyzed in MATLAB/Simulink from the analysis of speed regulation, torque ripple and total harmonic distortion.
Keywords: Inverter, Pulse Width Modulation (PWM), Closed Loop Control of Induction Motor, Constant V/F.

Scope of the Article: Robotics and Control